Eddie Vedder and Derek Trucks led a group of hyped-up Chicago Cubs fans in an acoustic sing-along of the Band's "The Weight" during a private house party Saturday in Wrigleyville, following the team's Game Four loss in the World Series, Consequence of Sound reports (via Pearl Jam Radio). A passionate Bill Murray added spirited backing vocals from the audience, shouting at one point, "These guys are good!"

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During the Cubs' monumental World Series run – in which they've rallied from being down 3-1 to tie the Cleveland Indians and force a game seven – the Lovable Losers have earned support from famous fans like Murray and Vedder, willing the club toward a potential first championship since 1908.